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Abstract：
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FEA and circle grid analysis were used to determine the forming character and metal flowing on the base of mechanical properties of auto-floor.It is made clear that the forming style in high strain is a bulging-drawing state.The important property parameters and control ranges were also obtained.The material properties for stable stamping are: σs/σb≤0.5,δ≥46%,n≥0.2,r≥2.0.
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AuthorIntro：
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Reference：
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[1]Wang Z R,Zhi Y S,Zeng Y S.The experimental research andfinite element simulation of plates hydrobulging in pairs[J].J.ofPressure Vessel and Piping,1996,68(3):43-48.
[2]赵侠,傅建,余玲,等.数值模拟技术在汽车覆盖件成形中的应用[J].锻压技术,2006,31(1):15-17.
[3]王晓路,陈炜,高霖,等.数值模拟对薄板冲压成形工艺设计的优化[J].锻压技术,2005,30(3):21-23.
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